ZCZC WEZS40 PHEB 040908 TSUPPG ASZ001>003-041108- /O.NEW.PHEB.TS.Y.0001.171104T0908Z-000000T0000Z/ BULLETIN TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1008 PM SST FRI NOV 03 2017 ...A TSUNAMI ADVISORY IS NOW IN EFFECT FOR AMERICAN SAMOA... AUDIENCE -------- EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.9 OCCURRED ABOUT 88 MILES SOUTH OF SAVAII ISLAND AT 1000 PM SST ON FRIDAY NOVEMBER 3 2017. * A HAZARDOUS TSUNAMI MAY HAVE BEEN GENERATED BY THIS NEARBY EARTHQUAKE THAT COULD SOON IMPACT NEARBY COASTS. * MONITORING IS UNDERWAY TO EVALUATE THE TSUNAMI THREAT. * SOME AREAS MAY HAVE EXPERIENCED VERY STRONG SHAKING. * A TSUNAMI WAS GENERATED BY THIS EARTHQUAKE. BASED ON ALL AVAILABLE DATA... THERE IS A THREAT TO AMERICAN SAMOA OF SEA LEVEL FLUCTUATIONS AND STRONG OCEAN CURRENTS THAT COULD BE A HAZARD ALONG BEACHES... IN HARBORS... AND IN COASTAL WATERS. * THE EARLIEST ESTIMATED TIME THAT HAZARDOUS SEA LEVEL FLUCTUATIONS AND STRONG OCEAN CURRENTS MAY BEGIN IN AMERICAN SAMOA IS 1018 PM SST ON FRIDAY NOVEMBER 03 2017 RECOMMENDED ACTIONS ------------------- * PERSONS IN OR NEAR THE OCEAN ALONG THE COASTS OF ALL OF AMERICAN SAMOA SHOULD MOVE IMMEDIATELY OUT OF THE WATER AND AWAY FROM BEACHES AND HARBORS. * DO NOT RETURN TO EVACUATED AREAS UNTIL THE ALL CLEAR IS GIVEN BY LOCAL AUTHORITIES. * PERSONS IN THE OCEAN SHOULD GET OUT OF THE WATER. PERSONS NEAR THE OCEAN SHOULD MOVE AWAY FROM BEACHES AND HARBORS. * FOLLOW ANY INSTRUCTIONS FROM GOVERNMENT AGENCIES. ESTIMATED TIMES OF ARRIVAL -------------------------- * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION REGION COORDINATES ETA(SST) ---------------------------------------------------------- AMANAVE TUTUILA 14.3S 170.8W 1018 PM 11/03 LEONE TUTUILA 14.3S 170.8W 1018 PM 11/03 FAGAMALO TUTUILA 14.3S 170.8W 1018 PM 11/03 TAFUNA TUTUILA 14.3S 170.7W 1018 PM 11/03 FAGASA TUTUILA 14.3S 170.7W 1020 PM 11/03 VATIA TUTUILA 14.2S 170.7W 1021 PM 11/03 PAGO PAGO TUTUILA 14.3S 170.7W 1021 PM 11/03 AUMI TUTUILA 14.3S 170.7W 1021 PM 11/03 AUNUU ISLAND AUNUU 14.3S 170.6W 1024 PM 11/03 TULA TUTUILA 14.3S 170.6W 1025 PM 11/03 MASEFAU TUTUILA 14.3S 170.6W 1026 PM 11/03 PAGAI TUTUILA 14.3S 170.6W 1026 PM 11/03 OFU ISLAND MANUA 14.2S 169.7W 1030 PM 11/03 OLESEGA ISLAND MANUA 14.2S 169.6W 1030 PM 11/03 TAU ISLAND MANUA 14.3S 169.5W 1031 PM 11/03 SWAINS ISLAND SWAINS 11.1S 171.1W 1040 PM 11/03 POTENTIAL IMPACTS ----------------- * SEA LEVEL FLUCTUATIONS THAT ARE GENERALLY NO MORE THAN 3 FEET ABOVE AND BELOW THE TIDE LEVEL. * MINOR FLOODING OF BEACH AND HARBOR AREAS. * STRONG AND UNUSUAL OCEAN CURRENTS IN HARBORS... BAYS... AND OTHER NEAR SHORE WATERS. * THE HAZARD IS FORECAST TO BEGIN AROUND 1018 PM SST ON FRIDAY NOVEMBER 03 AND IT CAN PERSIST FOR MANY HOURS OR LONGER. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 6.9 * ORIGIN TIME 1000 PM SST NOV 03 2017 * COORDINATES 15.1 SOUTH 172.8 WEST * DEPTH 49 MILES * LOCATION ABOUT 88 MILES SOUTH OF SAVAII ISLAND NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THE NEXT MESSAGE WILL BE ISSUED IN THIRTY MINUTES... OR SOONER IF THE SITUATION WARRANTS. * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE INTERNET AT PTWC.WEATHER.GOV AND AT WWW.TSUNAMI.GOV. * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S. GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL LOWERCASE LETTERS-. $$ NNNN